CN112358341A - Production machine-sowing type microbial fertilizer and production process thereof - Google Patents
Production machine-sowing type microbial fertilizer and production process thereof Download PDFInfo
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- CN112358341A CN112358341A CN202011372587.0A CN202011372587A CN112358341A CN 112358341 A CN112358341 A CN 112358341A CN 202011372587 A CN202011372587 A CN 202011372587A CN 112358341 A CN112358341 A CN 112358341A
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- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
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- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
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Abstract
The invention relates to a production machine-sowing type microbial fertilizer and a production process thereof, the production machine-sowing type microbial fertilizer is formed by mixing a microbial agent and a strain protective agent, the strain protective agent is diatomite, and the dosage ratio of the microbial agent to the diatomite is 2: 1-1: 3. the invention can prevent the microorganism in the microbial fertilizer from dying due to the influence of high temperature in the drying process, the moisture of the finished product of the microbial fertilizer produced by the invention is controlled below 8.0 percent, and when the fertilizer is mixed with chemical fertilizer for use, the chemical fertilizer cannot be affected with damp and lose efficacy due to overhigh moisture content, thereby completely solving the problem that the microbial fertilizer cannot be used for machine sowing.
Description
Technical Field
The invention relates to the technical field of microbial fertilizers, in particular to a production machine-sowing type microbial fertilizer and a production process thereof.
Background
In recent years, with the improvement of the degree of agricultural mechanization, the use of fertilizers is gradually replaced by manual sowing, the moisture of the conventional granular microbial fertilizer is 15-20%, and when the granular microbial fertilizer is mixed with chemical fertilizers for use, the chemical fertilizers are easy to absorb moisture and melt and cannot be used. Thereby limiting the use of granular microbial fertilizers.
The conventional drying of the granular fertilizer adopts a hot drying process, the inlet temperature is high, and the maximum temperature in the whole drying process reaches 200 ℃. After the microbial fertilizer is dried conventionally, the water content is generally 15% -20%, if the water content of the granular fertilizer is controlled to be below 10%, more than twice of the drying time is consumed, meanwhile, microorganisms are extremely easy to die under the influence of high temperature which is not protected for a long time, the product yield is low, and the water content is difficult to control. Therefore, a production machine-sowing type microbial fertilizer and a production process thereof are urgently needed in the market.
Disclosure of Invention
In order to solve the technical problems, through the improvement of a production process and the addition of a strain protective agent capable of protecting microorganisms in the original microbial agent at high temperature, the microorganisms in the microbial fertilizer cannot die due to the influence of high temperature in the drying process, the moisture of the finished product production machine-sowing type granulated fertilizer is controlled to be below 8.0 percent, when the fertilizer is mixed with a chemical fertilizer for use, the chemical fertilizer cannot be affected with damp and lose efficacy due to overhigh moisture content, and the problem that the microbial fertilizer cannot be used for machine sowing is completely solved, and the technical scheme of the production machine-sowing type microbial fertilizer and the production process thereof provided by the invention is as follows:
in a first aspect, the embodiment of the invention discloses a production machine-sowing type microbial fertilizer, which is prepared by mixing a microbial agent and a strain protective agent, and is characterized in that: the strain protective agent is diatomite, and the dosage ratio of the microbial agent to the diatomite is 2: 1-1: 3.
in any of the above schemes, preferably, the particle size range of the microbial fertilizer is 1.5-2 mm.
In any of the above embodiments, preferably, the microbial agent comprises rhizobia or azotobacter or phosphobacteria or ferment bacteria.
In any of the above embodiments, preferably, the microbial agent is an enzyme bacterium.
In any of the above embodiments, preferably, the microbial fertilizer is a granular fertilizer.
In any of the above embodiments, preferably, the granulated fertilizer is a granulated organic fertilizer or a granulated organic/inorganic compound fertilizer.
In any of the above schemes, preferably, the microbial fertilizer contains more than or equal to 3.5 hundred million effective viable bacteria per gram.
In any of the above schemes, preferably, the fertilizing mode of the production machine sowing type microbial fertilizer is to adopt a production machine to fertilize.
Compared with the prior art, the machine-sowing type microbial fertilizer is prepared by mixing a microbial agent and a strain protective agent, wherein the strain protective agent is diatomite, and the dosage ratio of the microbial agent to the diatomite is 2: 1-1: 3, the moisture of the finished product production machine-sowing type granulated fertilizer is controlled to be below 8.0 percent, and when the fertilizer is mixed with chemical fertilizer for use, the chemical fertilizer cannot be affected with damp and lose efficacy due to overhigh moisture content, so that the problem that the microbial fertilizer cannot be used for machine sowing is completely solved.
In a second aspect, a method for manufacturing the machine-sowing type microbial fertilizer comprises the following steps:
s1: and (2) mixing the microbial agent with the diatomite according to the proportion of 2: 1-1: 3, uniformly mixing to obtain a mixture;
s2: putting the mixture obtained in the step S1 into a disc granulator for granulation to obtain granules;
s3: putting the semi-finished product in the step S2 into a dryer for drying, wherein the inlet temperature of the dryer is controlled within the range of 110-115 ℃, and the outlet temperature of the dryer is controlled within the range of 50-80 ℃;
s4: screening and cooling the semi-finished product in the step S3;
s5: putting the semi-finished product in the step S4 into low-temperature drying equipment, and drying the semi-finished product at low temperature, wherein the inlet temperature is controlled to be 65-85 ℃, and the outlet temperature is controlled to be 30-40 ℃;
s6: and (5) detecting the semi-finished product in the step S5, wherein the semi-finished product is a finished product when the moisture content of the semi-finished product is below 8.0%, bagging and warehousing the semi-finished product, and returning the product which does not reach the standard to low-temperature drying equipment until the product reaches the standard.
In any of the above schemes, the flow rate of the pumped air is preferably 2000-.
In any of the above embodiments, preferably, the concentration of the microorganism in the bacterial liquid is 5.6 × 107cfu/g, viable bacteria in bio-fertilizer microbial inoculum particlesThe concentration was 5.0X 109cfu/g。
In any of the above embodiments, the height of the production machine is preferably 0.8 to 1.0 m.
In any of the above schemes, the time required for the closed drying is preferably 2-4 h.
In any of the above schemes, the first drying temperature is preferably 110 to 115 ℃, and more preferably 111 to 114 ℃.
In any of the above schemes, the rotation speed of the disc granulator is 30-70 rpm, and the inclination angle is 30-65 °.
Compared with the prior art, the manufacturing method for producing the machine-sowing microbial fertilizer comprises the following steps: and (2) mixing the microbial agent with the diatomite according to the proportion of 2: 1-1: 3, uniformly mixing to obtain a mixture; putting the mixture into a disc granulator for granulation to obtain granules; putting the semi-finished product into a dryer for drying, wherein the inlet temperature of the dryer is controlled within the range of 110-115 ℃, and the outlet temperature of the dryer is controlled within the range of 50-80 ℃; screening and cooling the semi-finished product; putting the semi-finished product into low-temperature drying equipment, and drying the semi-finished product at low temperature, wherein the inlet temperature is controlled to be 65-85 ℃, and the outlet temperature is controlled to be 30-40 ℃; detecting semi-finished products, namely finished products with the water content of below 8.0 percent, bagging and warehousing the semi-finished products, returning products which do not reach the standard to low-temperature drying equipment again until the semi-finished products reach the standard, improving the production process, adding the low-temperature drying equipment on the basis of the original process, and adding a strain protective agent capable of protecting the original microbial agent at high temperature into the original microbial agent so that the microorganisms in the microbial fertilizer cannot die due to the influence of high temperature in the drying process.
Drawings
The drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
FIG. 1 is a schematic flow chart of a manufacturing method for producing the machine-sowing type microbial fertilizer according to the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The production machine-sowing microbial fertilizer is prepared by mixing a microbial agent and a strain protective agent, wherein the strain protective agent is diatomite, and the dosage ratio of the microbial agent to the diatomite is 2: 1-1: 3, the moisture of the finished product production machine-sowing type granulated fertilizer is controlled to be below 8.0 percent, and the added strain protective agent, namely the diatomite can protect the microorganisms in the microbial agent, so that the microorganisms cannot die in the high-temperature drying process, and the efficacy of the microbial fertilizer is ensured.
A manufacturing method for producing machine-sowing microbial fertilizer comprises the following steps: and (2) mixing the microbial agent with the diatomite according to the proportion of 2: 1-1: 3, uniformly mixing to obtain a mixture; putting the mixture into a disc granulator for granulation to obtain granules; putting the semi-finished product into a dryer for drying, wherein the inlet temperature of the dryer is controlled within the range of 110-115 ℃, and the outlet temperature of the dryer is controlled within the range of 50-80 ℃; screening and cooling the semi-finished product; putting the semi-finished product into low-temperature drying equipment, and drying the semi-finished product at low temperature, wherein the inlet temperature is controlled to be 65-85 ℃, and the outlet temperature is controlled to be 30-40 ℃; detecting semi-finished product, its water content is up to below 8.0%, namely finished product, bagging and storing in storage, the product which is not up to standard is returned into low-temp. drying equipment again until it is up to standard, and by means of improvement of production process, on the basis of original process the low-temp. drying equipment is added, and the original microbial bacterial agent is added with bacterial strain protecting agent capable of making high-temp. protection, so that the microbial in said microbial fertilizer can not be dead due to high-temp. influence in the course of drying
Example 1
The embodiment of the invention discloses a production machine-sowing microbial fertilizer, which is formed by mixing a microbial agent and a strain protective agent, wherein the strain protective agent is diatomite, and the dosage ratio of the microbial agent to the diatomite is 2: 1, the particle size of the microbial fertilizer is 1.5mm, the microbial agent is ferment bacteria, the microbial fertilizer is granular fertilizer, the granular fertilizer is granular organic fertilizer, the number of effective viable bacteria contained in each gram of the microbial fertilizer is more than or equal to 3.5 hundred million, and the production machine sowing type microbial fertilizer is produced by adopting a production machine for fertilization.
Compared with the prior art, the machine-sowing type microbial fertilizer produced by the invention has the advantages that when the fertilizer is mixed with a chemical fertilizer for use, the chemical fertilizer cannot be affected with damp and lose efficacy due to overhigh moisture content, so that the problem that the microbial fertilizer cannot be used for machine sowing is completely solved.
Referring to fig. 1, a method for manufacturing the machine-sowing type microbial fertilizer comprises the following steps:
s1: and (2) mixing the microbial agent with the diatomite according to the proportion of 2: 1, uniformly mixing to obtain a mixture;
s2: putting the mixture obtained in the step S1 into a disc granulator for granulation to obtain granules, wherein the rotating speed of the disc granulator is 30rpm, and the inclination angle is 30 degrees;
s3: drying the semi-finished product in the step S2 in a dryer, wherein the time required by closed drying is 2 hours, the first drying temperature is 110 ℃, the inlet temperature of the dryer is 110 ℃, and the outlet temperature of the dryer is 50 ℃;
s4: screening and cooling the semi-finished product in the step S3;
s5: putting the semi-finished product in the step S4 into low-temperature drying equipment, and drying the semi-finished product at low temperature, wherein the inlet temperature is controlled to be 65 ℃, and the outlet temperature is controlled to be 30 ℃;
s6: and (5) detecting the semi-finished product in the step S5, wherein the semi-finished product is a finished product when the moisture content of the semi-finished product is below 8.0%, bagging and warehousing the semi-finished product, and returning the product which does not reach the standard to low-temperature drying equipment until the product reaches the standard.
Preferably, the flow rate of the pumped air is 2000L/min per ton of ferment bacteria liquid.
Preferably, the concentration of the microorganisms in the bacterial liquid is 5.6X 107cfu/g, viable bacteria concentration in bio-fertilizer microbial inoculum particlesIs 5.0X 109cfu/g。
Preferably, the height of the production machine is 0.8 m.
Compared with the prior art, the manufacturing method of the machine-sowing type microbial fertilizer has the advantages that through the improvement of the production process, the low-temperature drying equipment is added on the basis of the original process, and the strain protective agent capable of protecting the original microbial agent at high temperature is added into the original microbial agent, so that the phenomenon that the microorganisms in the microbial fertilizer die due to the influence of high temperature can not occur in the drying process.
Example 2
The embodiment of the invention discloses a production machine-sowing microbial fertilizer, which is formed by mixing a microbial agent and a strain protective agent, wherein the strain protective agent is diatomite, and the dosage ratio of the microbial agent to the diatomite is 1: 3, the particle size of the microbial fertilizer is 2mm, the microbial agent is an enzyme bacterium, the microbial fertilizer is a granular fertilizer, the granular fertilizer is a granular organic fertilizer, the number of effective viable bacteria contained in each gram of the microbial fertilizer is more than or equal to 3.5 hundred million, and the production machine sowing type microbial fertilizer is applied by adopting a production machine.
Compared with the prior art, the machine-sowing type microbial fertilizer produced by the invention has the advantages that when the fertilizer is mixed with a chemical fertilizer for use, the chemical fertilizer cannot be affected with damp and lose efficacy due to overhigh moisture content, so that the problem that the microbial fertilizer cannot be used for machine sowing is completely solved.
Referring to fig. 1, a method for manufacturing the machine-sowing type microbial fertilizer comprises the following steps:
s1: and (3) mixing the microbial agent with the diatomite according to the proportion of 1: 3, uniformly mixing to obtain a mixture;
s2: putting the mixture obtained in the step S1 into a disc granulator for granulation to obtain granules, wherein the rotating speed of the disc granulator is 70rpm, and the inclination angle is 65 degrees;
s3: drying the semi-finished product in the step S2 in a dryer, wherein the required time for airtight drying is 4 hours, the first drying temperature is 115 ℃, the inlet temperature of the dryer is 115 ℃, and the outlet temperature of the dryer is 80 ℃;
s4: screening and cooling the semi-finished product in the step S3;
s5: putting the semi-finished product in the step S4 into low-temperature drying equipment, and drying the semi-finished product at low temperature, wherein the inlet temperature is controlled to be 85 ℃ and the outlet temperature is controlled to be 40 ℃;
s6: and (5) detecting the semi-finished product in the step S5, wherein the semi-finished product is a finished product when the moisture content of the semi-finished product is below 8.0%, bagging and warehousing the semi-finished product, and returning the product which does not reach the standard to low-temperature drying equipment until the product reaches the standard.
Preferably, the flow rate of the pumped air is 5000L/min per ton of the ferment bacteria liquid.
Preferably, the concentration of the microorganisms in the bacterial liquid is 5.6X 107cfu/g, the concentration of viable bacteria in the biological fertilizer microbial inoculum particles is 5.0 multiplied by 109cfu/g。
Preferably, the height of the production machine is 1.0 m.
Compared with the prior art, the manufacturing method of the machine-sowing type microbial fertilizer has the advantages that through the improvement of the production process, the low-temperature drying equipment is added on the basis of the original process, and the strain protective agent capable of protecting the original microbial agent at high temperature is added into the original microbial agent, so that the phenomenon that the microorganisms in the microbial fertilizer die due to the influence of high temperature can not occur in the drying process.
Example 3
The embodiment of the invention discloses a production machine-sowing microbial fertilizer, which is formed by mixing a microbial agent and a strain protective agent, wherein the strain protective agent is diatomite, and the dosage ratio of the microbial agent to the diatomite is 1: 2, the particle size of the microbial fertilizer is 1.6mm, the microbial agent is rhizobium, the microbial fertilizer is granular fertilizer, the granular fertilizer is granular organic and inorganic compound fertilizer, the number of effective viable bacteria contained in each gram of the microbial fertilizer is more than or equal to 3.5 hundred million, and the fertilizing mode for producing the mechanically-sowed microbial fertilizer is to adopt a production machine for fertilizing.
Compared with the prior art, the machine-sowing type microbial fertilizer produced by the invention has the advantages that when the fertilizer is mixed with a chemical fertilizer for use, the chemical fertilizer cannot be affected with damp and lose efficacy due to overhigh moisture content, so that the problem that the microbial fertilizer cannot be used for machine sowing is completely solved.
The manufacturing method of the machine-sowing-type microbial fertilizer comprises the following steps:
s1: and (3) mixing the microbial agent with the diatomite according to the proportion of 1: 2, uniformly mixing to obtain a mixture;
s2: putting the mixture obtained in the step S1 into a disc granulator for granulation to obtain granules, wherein the rotating speed of the disc granulator is 40rpm, and the inclination angle is 40 degrees;
s3: drying the semi-finished product in the step S2 in a dryer, wherein the required time for closed drying is 3 hours, the first drying temperature is 112 ℃, the inlet temperature of the dryer is 112 ℃, and the outlet temperature of the dryer is 60 ℃;
s4: screening and cooling the semi-finished product in the step S3;
s5: putting the semi-finished product in the step S4 into low-temperature drying equipment, and drying the semi-finished product at low temperature, wherein the inlet temperature is controlled to be 70 ℃, and the outlet temperature is controlled to be 35 ℃;
s6: and (5) detecting the semi-finished product in the step S5, wherein the semi-finished product is a finished product when the moisture content of the semi-finished product is below 8.0%, bagging and warehousing the semi-finished product, and returning the product which does not reach the standard to low-temperature drying equipment until the product reaches the standard.
Preferably, the flow rate of the pumped air is 3000L/min per ton of ferment bacterial liquid.
Preferably, the concentration of the microorganisms in the bacterial liquid is 5.6X 107cfu/g, the concentration of viable bacteria in the biological fertilizer microbial inoculum particles is 5.0 multiplied by 109cfu/g。
Preferably, the height of the production machine is 0.9 m.
Compared with the prior art, the manufacturing method of the machine-sowing type microbial fertilizer has the advantages that through the improvement of the production process, the low-temperature drying equipment is added on the basis of the original process, and the strain protective agent capable of protecting the original microbial agent at high temperature is added into the original microbial agent, so that the phenomenon that the microorganisms in the microbial fertilizer die due to the influence of high temperature can not occur in the drying process.
Example 4
The embodiment of the invention discloses a production machine-sowing microbial fertilizer, which is formed by mixing a microbial agent and a strain protective agent, wherein the strain protective agent is diatomite, and the dosage ratio of the microbial agent to the diatomite is 1: 1, the particle size of the microbial fertilizer is 1.7mm, the microbial agent is azotobacter, the microbial fertilizer is granular fertilizer, the granular fertilizer is granular organic fertilizer, the number of effective viable bacteria contained in each gram of the microbial fertilizer is more than or equal to 3.5 hundred million, and the production machine sowing type microbial fertilizer is produced by adopting a production machine for fertilization.
Compared with the prior art, the machine-sowing type microbial fertilizer produced by the invention has the advantages that when the fertilizer is mixed with a chemical fertilizer for use, the chemical fertilizer cannot be affected with damp and lose efficacy due to overhigh moisture content, so that the problem that the microbial fertilizer cannot be used for machine sowing is completely solved.
The manufacturing method of the machine-sowing-type microbial fertilizer comprises the following steps:
s1: and (3) mixing the microbial agent with the diatomite according to the proportion of 1: 1, uniformly mixing to obtain a mixture;
s2: putting the mixture obtained in the step S1 into a disc granulator for granulation to obtain granules, wherein the rotating speed of the disc granulator is 50rpm, and the inclination angle is 50 degrees;
s3: drying the semi-finished product in the step S2 in a dryer, wherein the required time for closed drying is 2.5h, the first drying temperature is 113 ℃, the inlet temperature of the dryer is 113 ℃, and the outlet temperature of the dryer is 70 ℃;
s4: screening and cooling the semi-finished product in the step S3;
s5: putting the semi-finished product in the step S4 into low-temperature drying equipment, and drying the semi-finished product at low temperature, wherein the inlet temperature is controlled to be 80 ℃, and the outlet temperature is controlled to be 33 ℃;
s6: and (5) detecting the semi-finished product in the step S5, wherein the semi-finished product is a finished product when the moisture content of the semi-finished product is below 8.0%, bagging and warehousing the semi-finished product, and returning the product which does not reach the standard to low-temperature drying equipment until the product reaches the standard.
Preferably, the flow rate of the pumped air is 4000L/min per ton of the ferment bacterial liquid.
Preferably, the concentration of the microorganisms in the bacterial liquid is 5.6X 107cfu/g, the concentration of viable bacteria in the biological fertilizer microbial inoculum particles is 5.0 multiplied by 109cfu/g。
Preferably, the height of the production machine is 0.9 m.
Compared with the prior art, the manufacturing method of the machine-sowing type microbial fertilizer has the advantages that through the improvement of the production process, the low-temperature drying equipment is added on the basis of the original process, and the strain protective agent capable of protecting the original microbial agent at high temperature is added into the original microbial agent, so that the phenomenon that the microorganisms in the microbial fertilizer die due to the influence of high temperature can not occur in the drying process.
Example 5
The embodiment of the invention discloses a production machine-sowing microbial fertilizer, which is formed by mixing a microbial agent and a strain protective agent, wherein the strain protective agent is diatomite, and the dosage ratio of the microbial agent to the diatomite is 2: 3, the particle size of the microbial fertilizer is 1.8mm, the microbial agent is phosphorus bacteria, the microbial fertilizer is granular fertilizer, the granular fertilizer is granular organic fertilizer, the number of effective viable bacteria contained in each gram of the microbial fertilizer is more than or equal to 3.5 hundred million, and the fertilizer applying mode for producing the mechanically-sown microbial fertilizer is to apply the fertilizer by using a production machine.
Compared with the prior art, the machine-sowing type microbial fertilizer produced by the invention has the advantages that when the fertilizer is mixed with a chemical fertilizer for use, the chemical fertilizer cannot be affected with damp and lose efficacy due to overhigh moisture content, so that the problem that the microbial fertilizer cannot be used for machine sowing is completely solved.
The manufacturing method of the machine-sowing-type microbial fertilizer comprises the following steps:
s1: and (2) mixing the microbial agent with the diatomite according to the proportion of 2: 3, uniformly mixing to obtain a mixture;
s2: putting the mixture obtained in the step S1 into a disc granulator for granulation to obtain granules, wherein the rotating speed of the disc granulator is 60rpm, and the inclination angle is 60 degrees;
s3: drying the semi-finished product in the step S2 in a dryer, wherein the required time for closed drying is 3.5h, the first drying temperature is 114 ℃, the inlet temperature of the dryer is 114 ℃, and the outlet temperature of the dryer is 75 ℃;
s4: screening and cooling the semi-finished product in the step S3;
s5: putting the semi-finished product in the step S4 into low-temperature drying equipment, and drying the semi-finished product at low temperature, wherein the inlet temperature is controlled to be 83 ℃ and the outlet temperature is controlled to be 38 ℃;
s6: and (5) detecting the semi-finished product in the step S5, wherein the semi-finished product is a finished product when the moisture content of the semi-finished product is below 8.0%, bagging and warehousing the semi-finished product, and returning the product which does not reach the standard to low-temperature drying equipment until the product reaches the standard.
Preferably, the flow rate of the pumped air is 2500L/min per ton of ferment bacteria liquid.
Preferably, the concentration of the microorganisms in the bacterial liquid is 5.6X 107cfu/g, the concentration of viable bacteria in the biological fertilizer microbial inoculum particles is 5.0 multiplied by 109cfu/g。
Preferably, the height of the production machine is 0.95 m.
Compared with the prior art, the manufacturing method of the machine-sowing type microbial fertilizer has the advantages that through the improvement of the production process, the low-temperature drying equipment is added on the basis of the original process, and the strain protective agent capable of protecting the original microbial agent at high temperature is added into the original microbial agent, so that the phenomenon that the microorganisms in the microbial fertilizer die due to the influence of high temperature can not occur in the drying process.
Example 6
The embodiment of the invention discloses a production machine-sowing microbial fertilizer, which is formed by mixing a microbial agent and a strain protective agent, wherein the strain protective agent is diatomite, and the dosage ratio of the microbial agent to the diatomite is 2: 5, the particle size of the microbial fertilizer is 1.9mm, the microbial agent is ferment bacteria, the microbial fertilizer is granular fertilizer, the granular fertilizer is granular organic fertilizer, the number of effective viable bacteria contained in each gram of the microbial fertilizer is more than or equal to 3.5 hundred million, and the production machine sowing type microbial fertilizer is produced by adopting a production machine for fertilization.
Compared with the prior art, the machine-sowing type microbial fertilizer produced by the invention has the advantages that when the fertilizer is mixed with a chemical fertilizer for use, the chemical fertilizer cannot be affected with damp and lose efficacy due to overhigh moisture content, so that the problem that the microbial fertilizer cannot be used for machine sowing is completely solved.
The manufacturing method of the machine-sowing-type microbial fertilizer comprises the following steps:
s1: and (2) mixing the microbial agent with the diatomite according to the proportion of 2: 5, uniformly mixing to obtain a mixture;
s2: putting the mixture obtained in the step S1 into a disc granulator for granulation to obtain granules, wherein the rotating speed of the disc granulator is 55rpm, and the inclination angle is 55 degrees;
s3: drying the semi-finished product in the step S2 in a dryer, wherein the required time for closed drying is 3.5h, the first drying temperature is 114 ℃, the inlet temperature of the dryer is 114 ℃, and the outlet temperature of the dryer is 65 ℃;
s4: screening and cooling the semi-finished product in the step S3;
s5: putting the semi-finished product in the step S4 into low-temperature drying equipment, and drying the semi-finished product at low temperature, wherein the inlet temperature is controlled to be 80 ℃, and the outlet temperature is controlled to be 38 ℃;
s6: and (5) detecting the semi-finished product in the step S5, wherein the semi-finished product is a finished product when the moisture content of the semi-finished product is below 8.0%, bagging and warehousing the semi-finished product, and returning the product which does not reach the standard to low-temperature drying equipment until the product reaches the standard.
Preferably, the flow rate of the pumped air is 3500L/min per ton of ferment bacterial liquid.
Preferably, the concentration of the microorganisms in the bacterial liquid is 5.6X 107cfu/g, the concentration of viable bacteria in the biological fertilizer microbial inoculum particles is 5.0 multiplied by 109cfu/g。
Preferably, the height of the production machine is 0.85 m.
Compared with the prior art, the manufacturing method of the machine-sowing type microbial fertilizer has the advantages that through the improvement of the production process, the low-temperature drying equipment is added on the basis of the original process, and the strain protective agent capable of protecting the original microbial agent at high temperature is added into the original microbial agent, so that the phenomenon that the microorganisms in the microbial fertilizer die due to the influence of high temperature can not occur in the drying process.
Example 7
The embodiment of the invention discloses a production machine-sowing microbial fertilizer, which is formed by mixing a microbial agent and a strain protective agent, wherein the strain protective agent is diatomite, and the dosage ratio of the microbial agent to the diatomite is 3: 5, the particle size of the microbial fertilizer is 1.1mm, the microbial agent is ferment bacteria, the microbial fertilizer is granular fertilizer, the granular fertilizer is granular organic fertilizer, the number of effective viable bacteria contained in each gram of the microbial fertilizer is more than or equal to 3.5 hundred million, and the production machine sowing type microbial fertilizer is produced by adopting a production machine for fertilization.
Compared with the prior art, the machine-sowing type microbial fertilizer produced by the invention has the advantages that when the fertilizer is mixed with a chemical fertilizer for use, the chemical fertilizer cannot be affected with damp and lose efficacy due to overhigh moisture content, so that the problem that the microbial fertilizer cannot be used for machine sowing is completely solved.
The manufacturing method of the machine-sowing-type microbial fertilizer comprises the following steps:
s1: and (3) mixing the microbial agent with the diatomite according to the proportion of 3: 5, uniformly mixing to obtain a mixture;
s2: putting the mixture obtained in the step S1 into a disc granulator for granulation to obtain granules, wherein the rotating speed of the disc granulator is 35rpm, and the inclination angle is 45 degrees;
s3: drying the semi-finished product in the step S2 in a dryer, wherein the required time for closed drying is 3.5h, the first drying temperature is 114 ℃, the inlet temperature of the dryer is 114 ℃, and the outlet temperature of the dryer is 66 ℃;
s4: screening and cooling the semi-finished product in the step S3;
s5: putting the semi-finished product in the step S4 into low-temperature drying equipment, and drying the semi-finished product at low temperature, wherein the inlet temperature is controlled to be 76 ℃, and the outlet temperature is controlled to be 36 ℃;
s6: and (5) detecting the semi-finished product in the step S5, wherein the semi-finished product is a finished product when the moisture content of the semi-finished product is below 8.0%, bagging and warehousing the semi-finished product, and returning the product which does not reach the standard to low-temperature drying equipment until the product reaches the standard.
Preferably, the flow rate of pumped air is 4600L/min per ton of ferment bacterial liquid.
Preferably, the concentration of the microorganisms in the bacterial liquid is 5.6X 107cfu/g, the concentration of viable bacteria in the biological fertilizer microbial inoculum particles is 5.0 multiplied by 109cfu/g。
Preferably, the height of the production machine is 0.95 m.
Compared with the prior art, the manufacturing method of the machine-sowing type microbial fertilizer has the advantages that through the improvement of the production process, the low-temperature drying equipment is added on the basis of the original process, and the strain protective agent capable of protecting the original microbial agent at high temperature is added into the original microbial agent, so that the phenomenon that the microorganisms in the microbial fertilizer die due to the influence of high temperature can not occur in the drying process.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The machine-sowing type microbial fertilizer is prepared by mixing a microbial agent and a strain protective agent, and is characterized in that: the strain protective agent is diatomite, and the dosage ratio of the microbial agent to the diatomite is 2: 1-1: 3.
2. the production machine-sown microbial fertilizer of claim 1, wherein: the particle size range of the microbial fertilizer is 1.5-2 mm.
3. The production machine-sown microbial fertilizer of claim 2, wherein: the microbial agent comprises rhizobia or azotobacter or phosphorus bacteria or ferment bacteria.
4. The production machine-sown microbial fertilizer of claim 3, wherein: the microbial agent is ferment bacteria.
5. The method for producing mechanically seeded microbial fertilizer according to claim 4: the method is characterized in that: the microbial fertilizer is a granular fertilizer.
6. The method for producing machine-seeded microbial fertilizer according to claim 5, wherein: the method is characterized in that: the granular fertilizer is a granular organic fertilizer or a granular organic and inorganic compound fertilizer.
7. The method for producing mechanically seeded microbial fertilizer according to claim 6: the method is characterized in that: the number of effective viable bacteria contained in each gram of the microbial fertilizer is more than or equal to 3.5 hundred million.
8. A method of producing a machine-applied microbial fertilizer according to any one of claims 1 to 7, wherein: the method comprises the following steps:
s1: and (2) mixing the microbial agent with the diatomite according to the proportion of 2: 1-1: 3, uniformly mixing to obtain a mixture;
s2: putting the mixture obtained in the step S1 into a disc granulator for granulation to obtain granules;
s3: putting the semi-finished product in the step S2 into a dryer for drying, wherein the inlet temperature of the dryer is controlled within the range of 110-115 ℃, and the outlet temperature of the dryer is controlled within the range of 50-80 ℃;
s4: screening and cooling the semi-finished product in the step S3;
s5: putting the semi-finished product in the step S4 into low-temperature drying equipment, and drying the semi-finished product at low temperature, wherein the inlet temperature is controlled to be 65-85 ℃, and the outlet temperature is controlled to be 30-40 ℃;
s6: and (5) detecting the semi-finished product in the step S5, wherein the semi-finished product is a finished product when the moisture content of the semi-finished product is below 8.0%, bagging and warehousing the semi-finished product, and returning the product which does not reach the standard to low-temperature drying equipment until the product reaches the standard.
9. The method for manufacturing machine-sowing microbial fertilizer according to claim 8, comprising the following steps: the method is characterized in that: the flow rate of the pumped air is 2000-5000L/min per ton of enzyme bacterial liquid.
10. The method for manufacturing machine-sown microbial fertilizer according to claim 9, comprising: the method is characterized in that: the concentration of the microorganisms in the bacterial liquid is 5.6 multiplied by 107cfu/g, the concentration of viable bacteria in the biological fertilizer microbial inoculum particles is 5.0 multiplied by 109cfu/g。
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| CN113699078A (en) * | 2021-09-14 | 2021-11-26 | 中化农业（临沂）研发中心有限公司 | Protective agent, microbial inoculum and fertilizer containing protective agent, and production method and system thereof |
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